Function build_default_columns

src/cypher/cypher.c:4133–4149

Build default 3-column headers (name, qualified_name, label) per variable */

/* Build default 3-column headers (name, qualified_name, label) per variable */
static void build_default_columns(result_builder_t *rb, const char **vars, int vc) {
    int col_n = vc * CYP_EDGE_COLS;
    const char *col_names[CYP_COL_BUF];
    for (int v = 0; v < vc; v++) {
        char buf[CBM_SZ_128];
        snprintf(buf, sizeof(buf), "%s.name", vars[v]);
        col_names[(size_t)v * CYP_EDGE_COLS] = heap_strdup(buf);
        snprintf(buf, sizeof(buf), "%s.qualified_name", vars[v]);
        col_names[((size_t)v * CYP_EDGE_COLS) + SKIP_ONE] = heap_strdup(buf);
        snprintf(buf, sizeof(buf), "%s.label", vars[v]);
        col_names[((size_t)v * CYP_EDGE_COLS) + PAIR_LEN] = heap_strdup(buf);
    }
    rb_set_columns(rb, col_names, col_n);
    for (int i = 0; i < col_n; i++) {
        safe_str_free(&col_names[i]);
    }
}

/* Default projection when no RETURN clause */
static void execute_default_projection(cbm_pattern_t *pat0, binding_t *bindings, int bind_count,